| Brookhaven to Orbetello | 4,941.75 mi (7,952.98 km) |
| Brookhaven to Oria | 5,295.17 mi (8,521.76 km) |
| Brookhaven to Oristano | 4,907.62 mi (7,898.05 km) |
| Brookhaven to Orta Nova | 5,179.73 mi (8,335.97 km) |
| Brookhaven to Orte | 4,993.00 mi (8,035.46 km) |
| Brookhaven to Ortona | 5,085.30 mi (8,184.01 km) |
| Brookhaven to Orvieto | 4,971.95 mi (8,001.58 km) |
| Brookhaven to Orzinuovi | 4,788.01 mi (7,705.56 km) |
| Brookhaven to Osimo | 5,005.38 mi (8,055.38 km) |
| Brookhaven to Ospitaletto | 4,789.02 mi (7,707.18 km) |
| Brookhaven to Ostuni | 5,284.12 mi (8,503.96 km) |
| Brookhaven to Ottaviano | 5,142.72 mi (8,276.40 km) |
| Brookhaven to Ovada | 4,756.51 mi (7,654.87 km) |
| Brookhaven to Ozieri | 4,904.09 mi (7,892.37 km) |
| Brookhaven to Paceco | 5,158.21 mi (8,301.34 km) |
